What is the prevalence of CMV?
At least 60% of the US population has been exposed to CMV, with a prevalence of more than 90% in high-risk groups (eg, male homosexuals). The prevailing age of infection varies worldwide.
How common is congenital CMV?
About one out of every 200 infants is born with congenital cytomegalovirus (CMV) infection. Around one in five babies born with congenital CMV infection will have long-term health problems.
What are the most at risk populations for CMV?
Very low birth weight and premature infants. People with compromised immune systems, such as from organ and bone marrow transplants, and people infected with human immunodeficiency virus (HIV)
How common is CMV in newborns?
CMV is the most common infectious cause of birth defects in the United States. About 1 out of 200 babies is born with congenital CMV. One out of 5 babies with congenital CMV will have symptoms or long-term health problems, such as hearing loss. In the most severe cases, CMV can cause pregnancy loss.
How common is CMV in pregnancy?
CMV is the most common infection passed from pregnant people to babies during pregnancy. One in 3 pregnant people passes the infection on to their babies. If you have CMV during pregnancy, the virus in your blood can pass through the placenta to your baby.
How common is CMV during pregnancy?
How many children get CMV?
CMV is the most common congenital infection in the United States. Congenital means that it’s something a baby’s born with. Each year about 1 in 150 babies (less than 1 percent) is born with CMV. About 8,000 children each year develop lasting health problems caused by CMV.
How rare is CMV?
Although congenital CMV affects around 1 in 200 babies, many of them will not show any symptoms. Some will have symptoms such as premature birth, low birthweight, hearing or vision problems, and other developmental issues.
How common is CMV in adults?
Cytomegalovirus (CMV) is a common virus. Over half of adults in the U.S. have it in their body by age 40. CMV spreads easily through an infected person’s saliva or other body fluids.
How easily is CMV spread?
Although the virus is not highly communicable, it can be spread from person to person by direct contact. The virus is shed in the urine, saliva, semen and to a lesser extent in other body fluids. Transmission can also occur from an infected mother to her fetus or newborn and by blood transfusion and organ transplants.
What percentage of population is CMV negative?
Because CMV exposure is so prevalent, CMV negative blood is very special. If up to 85% of adults in the US have been exposed by age 40, that means only 15% of the population has CMV negative blood – a very special group indeed.
Does everyone have CMV?
Cytomegalovirus (CMV) is a virus related to the herpes virus. It is so common that almost all adults in developing countries and 50% to 85% of adults in the United States have been infected. Usually CMV is a mild disease that does not cause any serious problems in healthy children and adults.
What is the incubation period for CMV?
Although most people never develop symptoms after exposure, the incubation period appears to be between 3 and 12 weeks.